SMITH  KERRY V. (ed)  KRUTILLA, JOHN V. (ed) <br/><br/>
EXPLORATIONS IN NATURAL RESOURCE ECONOMICS: 

 - LONDON :  RESOURCES FOR THE FUTURE, INC,  1982. 
<br/><br/><label>ISBN: </label>0801827132 
<br/><br/><label>Dewey Class. No.: </label>333.7 EXP